I've been to Ecuador 3 times, for more than two months total; Quito, Cuenca, Otavalo, Cotacachi, Latacunga, the Quilotoa loop, Alausi, Loja, and Vilcabamba to name a few. Of them all, especially with a youngster, I would recommend Banos. It is a small town with amazing views of Vocan Tungurahua...